Simulation device and method for full-spectrum visual formation seepage

Abstract

The invention provides a simulation device and method for full-spectrum visual formation seepage. The device comprises power equipment, back pressure equipment, ring pressure equipment, a visual formation model, temperature control equipment, pressure monitoring equipment, observation and acquisition equipment and a full-spectrum light source; the power equipment is used for providing driving force for the visual formation model; the back pressure equipment is used for adjusting the internal pressure of the visual formation model; the ring pressure equipment is used for maintaining the internal pressure of the visual formation model; the temperature control equipment is used for simulating the reservoir temperature; the pressure monitoring equipment is used for monitoring a simulation experiment and the pressure of the visual formation model in real time; the full-spectrum light source is used for providing a light source; and the observation and acquisition equipment is used for displaying and recording the changes of various research objects of the visual formation model under the full-spectrum light source during the simulation experiment. The invention further provides formation penetration simulation that is accomplished using the above device. The device and the method provided by the invention can realize the real sense of visualization of the formation seepage simulation experiment process.

Description

technical field [0001] The invention relates to a visualization simulation device, in particular to a simulation device for full-spectrum visualization formation seepage, belonging to the technical field of oil and gas field development. Background technique [0002] In the research of oil and gas field development process, there are many formation seepage simulation systems to study formation dynamic changes during displacement or huff and puff, displacement medium change, oil displacement mechanism, reservoir damage mechanism, remaining oil distribution and evaluation of development effect . The macro or micro visualization sought in this process is an effective means of further exploration and discovery. [0003] Existing visualization models include photoetched pore glass model, sand filling pipe model with visible window, sand filling pipe model of different transparent materials (plexiglass, quartz glass, sapphire, etc.), different transparent materials for processing...

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Problems solved by technology

[0004] For example, the Chinese patent application with application number 201320222249.9 "Physical Simulation System for Two-Dimensional Visual Chemical Foam Evaluation", the Chinese patent application with application number 201410244772.X "high temperature and high pressure microscopic visual formation seepage simulation experiment device and method", and the application number 201310665277.1 Chinese patent application "Full 3D Simulation Visual Displacement Simulation Experimental System for Fracture-cavity Reservoirs", application number 201420584427.6 Chinese patent application "Visual Experimental Device for Evaluation of Weak Gel Profile Control Performance in Fractured Reservoirs", application number 201410500078. X's Chinese patent application "A Two-dimensional Microscopic Visible Displacement Simulation Experiment System for Heavy Oil and Its Application Method", the Chinese patent application with the application number 201420612093.9 "A Three-dimensional Visual Physical Displacement Model for Removable Recycling", and the application Chinese patent application No. 201520151270.2 "A Visual Physical Oil Flooding Experimental Device", application No. 201310157009.9 "A high-temperature and high-pressure visualization device and simulation method for simulating microbial oil flooding", and application No. 201410468666.X Chinese patent application "A visual experimental device for thermal recovery of horizontal wells", Chinese patent application with application number 201610953214. Based on the Dynamic Visual Observation Method for Displacement Experiments", the common problems in the above-mentioned prior art are: because the dark crude oil is easy to cause observation obstacles, and the light-colored crude oil is easy to mix with the displacement phase and it is difficult to distinguish, which leads to the observation based on the visible spectrum The visualization of can not really achieve

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